:root {
  --bg0: #0f1412;
  --bg1: #171d1a;
  --panel: #1c2420;
  --line: #2c3832;
  --text: #e8efe9;
  --muted: #8fa099;
  --accent: #ee4d2d;
  --accent2: #ff8a65;
  --ok: #3dba7a;
  --warn: #e6b84d;
  --danger: #e35d5d;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg0);
  line-height: 1.45;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(238, 77, 45, 0.18), transparent 60%),
    radial-gradient(700px 360px at 90% 0%, rgba(61, 186, 122, 0.08), transparent 55%),
    linear-gradient(180deg, #121816, #0f1412 40%, #0c100e);
}

.top {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 8px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.brand { display: flex; gap: 14px; align-items: center; }
.mark {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: linear-gradient(145deg, var(--accent), #c62828);
  color: #fff;
  box-shadow: 0 10px 28px rgba(238, 77, 45, 0.28);
}
.brand h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.brand p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
}
.status-pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--muted);
}
.status-pill.on { color: #b8f0d0; border-color: rgba(61,186,122,.35); }
.status-pill.on .dot { background: var(--ok); box-shadow: 0 0 0 4px rgba(61,186,122,.15); }
.status-pill.off .dot { background: var(--danger); }

.layout {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 16px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  align-items: start;
}

.panel {
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  backdrop-filter: blur(8px);
}
.panel.span-all { grid-column: 1 / -1; }
.panel-head { margin-bottom: 10px; }
.panel-head.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.panel-head h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
}
.panel-head p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}
code {
  font-family: var(--mono);
  font-size: 0.82em;
  color: var(--accent2);
}

.ctrl-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.meta { color: var(--muted); font-size: 0.8rem; margin-left: auto; }

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: #232c28;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 9px;
  font: 600 0.84rem var(--sans);
  cursor: pointer;
  transition: border-color .12s ease, background .12s ease;
}
.btn:hover { border-color: #3d4d44; }
.btn.primary {
  background: linear-gradient(180deg, #ff6a4a, var(--accent));
  border-color: transparent;
  color: #fff;
}
.btn.ghost { background: transparent; }

.issues {
  margin: 10px 0 0;
  padding-left: 16px;
  color: var(--warn);
  font-size: 0.8rem;
}
.issues:empty { display: none; }
.hint {
  margin: 8px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}
.hint.err { color: var(--danger); }
.hint.ok { color: var(--ok); }
.login-panel {
  border-color: rgba(238, 77, 45, 0.4);
  box-shadow: 0 0 0 1px rgba(238, 77, 45, 0.1);
}
.login-panel h2 { color: var(--accent2); }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 10px;
}
.form-grid.cols-3 {
  grid-template-columns: 1fr 1fr 1fr;
}
.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.form-grid .span-2 { grid-column: 1 / -1; }
.form-grid input[type="text"],
.form-grid input[type="number"],
.form-grid input[type="password"],
.form-grid input:not([type]),
.form-grid textarea {
  width: 100%;
  padding: 7px 9px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #121816;
  color: var(--text);
  font: 500 0.84rem var(--mono);
}
.form-grid textarea {
  min-height: 48px;
  resize: vertical;
  line-height: 1.35;
}
.form-grid input:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: rgba(238, 77, 45, 0.55);
  box-shadow: 0 0 0 3px rgba(238, 77, 45, 0.1);
}
.check-inline {
  flex-direction: row !important;
  align-items: center !important;
  gap: 8px !important;
  font-size: 0.82rem !important;
  color: var(--text) !important;
  font-weight: 500 !important;
  padding-top: 18px;
}
.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-top: 8px;
}
.check {
  flex-direction: row !important;
  align-items: center;
  gap: 6px !important;
  font-size: 0.78rem !important;
  color: var(--text) !important;
  font-weight: 500 !important;
  letter-spacing: 0 !important;
}
.form-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.flash { font-size: 0.8rem; color: var(--ok); min-height: 1.1em; }
.flash.err { color: var(--danger); }

.cfg-panel .panel-head { margin-bottom: 10px; }
.cfg-save-top { margin: 0; flex-shrink: 0; }
.cfg-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.cfg-block {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.16);
  padding: 10px 12px;
}
.cfg-block.span-all { grid-column: 1 / -1; }
.cfg-block h3 {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent2);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.test-row {
  display: flex;
  gap: 8px;
}
.test-row input {
  flex: 1;
  min-width: 0;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #121816;
  color: var(--text);
  font: 500 0.84rem var(--mono);
}
.result, .log {
  margin: 10px 0 0;
  padding: 10px;
  border-radius: 10px;
  background: #0d1210;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.76rem;
  white-space: pre-wrap;
  word-break: break-all;
  color: #c5d2c9;
  max-height: 180px;
  overflow: auto;
}
.log {
  max-height: 280px;
  min-height: 120px;
}

.foot {
  max-width: 1080px;
  margin: 0 auto 28px;
  padding: 0 16px;
  color: var(--muted);
  font-size: 0.8rem;
}
.foot strong { color: var(--text); }

@media (max-width: 860px) {
  .layout,
  .form-grid,
  .form-grid.cols-3,
  .cfg-blocks { grid-template-columns: 1fr; }
  .form-grid .span-2,
  .cfg-block.span-all { grid-column: auto; }
  .top { flex-direction: column; align-items: flex-start; }
  .meta { margin-left: 0; }
  .test-row { flex-direction: column; }
  .check-inline { padding-top: 0; }
}